117 	struct snp_softc *ss = data;  in snp_dtor()  local
120 	tp = ss->snp_tty;  in snp_dtor()
123 		ttyoutq_free(&ss->snp_outq);  in snp_dtor()
125 		ss->snp_tty = NULL;  in snp_dtor()
128 	cv_destroy(&ss->snp_outwait);  in snp_dtor()
129 	free(ss, M_SNP);  in snp_dtor()
139 	struct snp_softc *ss;  in snp_open()  local
142 	ss = malloc(sizeof(struct snp_softc), M_SNP, M_WAITOK|M_ZERO);  in snp_open()
143 	cv_init(&ss->snp_outwait, "snp out");  in snp_open()
145 	devfs_set_cdevpriv(ss, snp_dtor);  in snp_open()
154 	struct snp_softc *ss;  in snp_read()  local
160 	error = devfs_get_cdevpriv((void **)&ss);  in snp_read()
164 	tp = ss->snp_tty;  in snp_read()
170 		error = ttyoutq_read_uio(&ss->snp_outq, tp, uio);  in snp_read()
179 		error = cv_wait_sig(&ss->snp_outwait, tty_getlock(tp));  in snp_read()
195 	struct snp_softc *ss;  in snp_write()  local
200 	error = devfs_get_cdevpriv((void **)&ss);  in snp_write()
204 	tp = ss->snp_tty;  in snp_write()
241 	struct snp_softc *ss;  in snp_ioctl()  local
245 	error = devfs_get_cdevpriv((void **)&ss);  in snp_ioctl()
253 		tp = ss->snp_tty;  in snp_ioctl()
257 				ss->snp_tty = NULL;  in snp_ioctl()
258 				ttyoutq_free(&ss->snp_outq);  in snp_ioctl()
270 		error = ttyhook_register(&ss->snp_tty, td->td_proc,  in snp_ioctl()
271 		    *(int *)data, &snp_hook, ss);  in snp_ioctl()
277 		tp = ss->snp_tty;  in snp_ioctl()
279 		ttyoutq_setsize(&ss->snp_outq, tp, SNP_OUTPUT_BUFSIZE);  in snp_ioctl()
285 		if (ss->snp_tty == NULL)  in snp_ioctl()
288 			*(dev_t *)data = tty_udev(ss->snp_tty);  in snp_ioctl()
291 		if (ss->snp_tty == NULL)  in snp_ioctl()
294 			*(uint32_t *)data = tty_udev(ss->snp_tty); /* trunc */  in snp_ioctl()
297 		tp = ss->snp_tty;  in snp_ioctl()
303 				*(int *)data = ttyoutq_bytesused(&ss->snp_outq);  in snp_ioctl()
317 	struct snp_softc *ss;  in snp_poll()  local
321 	if (devfs_get_cdevpriv((void **)&ss) != 0)  in snp_poll()
328 		tp = ss->snp_tty;  in snp_poll()
331 			if (ttyoutq_bytesused(&ss->snp_outq) > 0)  in snp_poll()
338 		selrecord(td, &ss->snp_outpoll);  in snp_poll()
368 	struct snp_softc *ss = ttyhook_softc(tp);  in snp_getc_capture()  local
370 	ttyoutq_write(&ss->snp_outq, buf, len);  in snp_getc_capture()
372 	cv_broadcast(&ss->snp_outwait);  in snp_getc_capture()
373 	selwakeup(&ss->snp_outpoll);  in snp_getc_capture()